When retailers allow non-endemic brands to advertise, it benefits both sides. “Retailers can further monetize their data, while non-endemics, who have an appetite to expand their reach, are able to leverage that data,” our analyst Sarah Marzano said on an episode of the “Behind the Numbers: Reimagining Retail” podcast. Here’s why major retail media players such as Walmart and Home Depot have recently opened up their offerings, along with three best practices to boost performance.